Dental spray



May 10, 1932. PlEPER 1,857,866

DENTAL SPRAY Filed May 16, 1927 2 Sheets-Sheet l INVENTOR 0SCQFEPLG De7"%zIsATToRNEY May 10, 1932. o, p p 1,857,866

DENTAL SPRAY Filed May 16. 192 f 2 Sheets-Sheet 2 36 K35 fiv/git E YQM W%z's*ATToRNE Patented May 10, 1932 UNITED STATES PAT E NTiO-FFICE' OSCARH. PIEPEB, OF ROCHESTER, NEW YORK DENTAL SPRAY.

Application filed May 16, ,1927. Serial No. 191,635. I

This invention relates -to sprays and parcavities in the teethand-frombetween the 19 teeth and cheeks." As the nervesof the teeth arevery sensitive to changes of temperature it is necessary to use awashing -01 flushing liquid which has been heated to approxi; mately'normal body temperature. Accordingto some of the older practices handsyringes which were filled when necessary from open vessels containingheated water were used. This method was not, entirely satisfactory as itwas difficult to maintain the water in the open vessels atuniformtemperatures, andthefilling of the syringes satisfactorily required.considerable time; Also, considerable time was required for maintaining a supply of fresh water in thevessels, and since the syringe andwater container were separate articles, it was frequently the case thatone orthe other was not immediate ly available when needed.

ed water from the container have been provided. In the usual form ofsuch apparatus the flow of water is controlled entirely by a small valvepositioned in the spray head, and the spray head when not in useisplaced in a rack or holder on some part of the apparatus stand orsupport. Owing to the fact that the valve in the spray head must be ofthe type which can be quickly opened and closed, "it has been found to:be diflicult if not impossible H I in'use. Since it 1 is highlydesirable that dental to provide such a valve which can withstand thepressure of the usual water line without leaking. Consequently there maybe a con 'tinual dr-i-p from the spray head to the floor "when'it-i'ssupportedin its inoperative posi-' 65 tionon the stand or support.found,also, that even when there is no leak- It has been age from thespray head due to pressure from the water line, there is a slight dripfrom the discharge endof thespray head for a short time after ithas beenused. In some cases containers have beenplaced on the floor oftheoperating room to catchthe drip and in other cases it has-beenallowed to fallupon the floor. Ineither case the result achieved isunsightly; I

An object OfthiS invention is to'provide an apparatus of the above typein which I means have been provided 'for removing the pressure from thesprayhead valve when the spray head 'is-not in use Another objectis toprovideimproved means for supporting 'the spray head'when it is not inuse.- Another object-isto provide improved means for re- 'ceiving thedrip fromthe spray head. An-

other object is to provide a spray device -which is compact, eflicient,and dependable Other objects 'wi'llbe in part obvious or in part pointedout hereinafter.

features of-construction, combinations of elements and arrangements ofparts as will be exemplified in the'structure to be hereinafterdescribed'and the scope'of the application 'of'whichwill be indicated inthe following claims;

In theaccompanying'drawings in which is' shown one of the variouspossible embodi-' ments of this invention, Figure 1 is an elevation ofspray device; p 7 r o Figure 2 is a plan view of the device shown inFigure 1; oneposition'of the spray head holder being shown indotted'lines; V Figure 3 is a view showing the manner-inf 7 up thecomplete wvhich the spray head is supported;

Figure his asect'ional plan view of the outer end portion of the sprayhead holder;

Figure-5 is a plan view of'the container 80 i VTheinventionaccordinglyconsists in the tainer, showing the main valve for controlling the flowof water I through the device.

on an end of the flexible tube -12.

Similar reference characters refer to similar parts throughout theseveral views of the drawings. k j Referring now to the drawings 1ndetail.

there is shown aspray device-comprising a. cup-shaped member havingaco-ver 11 pro-1 vided with inlet and outlet passages, a flexible tube12 forming a discharge conduit for the container, and a spray head.13mounted .The open end: of the cup-shaped membe 10 is threaded to receiveathreadedannular containeris adapted to be received within thecylindrical;heatingmember 15 which is of usual construction and providedwith the usual heat controlling means. -=The member 15 is provided witha bracket- '1Gby means of which it may be supported in any convenientposition. 1 v T The cover membenll is provided with inlet and outletpassages17 and 20 between itsv .3 *upper and lower surfaces.v A nipple21 extends through the lower wall of the passage 17 and provides meansfor connecting the. container with a source of water supply through the'flexiblextube 22. A secondnipple 23 extends through an opening inthebottom wall of the passage17 and it is-so positioned and of such alength that it normally extends within the member 10 to a point adjacentthe bottom thereof. Cold water, as it enters the container, is thusconducted toits natural place at the bottom.

'A nipple 24 provides means for attaching the flexible-tube'12 to thedevice in such a manner that it communicates with the out let passage20. An opening 25 provides meansof communication between the member 10and the passage 20. An annular ridge 26 surrounding the opening 25provides a seat for a valve 27'Wh1ch1s mounted in an opening in theupper wall of the passage 20.

which is substantially concentric with the opening 25.

The annular flange 28 is threaded to receive the member29 in which thevalve stem 30 is threaded, saidannular flange taken with the EiS formedon the cover. fil'l8S the drip to the top of thecover and since thecover is heated throughcontact with the operating lever or handle forthe valve 27 fixed on its free end portion. The outer end portion of thespray head support is bifurcated and recessed to receive the spray head.The inwardly extending flange 33 is adapted to engage the flange 34 onthe spray head.

The spray'head is of usual construction being provided with the usualtip 35 and a valve which may be opened by downward pressure of the:thumb on the member 36.

When the spray head is in its normal position on the supporting member32 the discharge end, of the tip 35 is positioned above the centralportion of the cover 11 and the drip therefrom will fall upon the saidcover.

For collecting the drip, an annular-ridge 37 The ridge 37 con-,

water within, any water which gathers in the recess formed by the ridge37 will quickly evaporate. I flange 14.- which depends from the cover.member 11. The portion 10 of theassemb-led,

WVhen it is desired to use the spray head, the

operator may grasp the handle 40 and move the spray head upwardly and tothe right. The supporting member will thus be :moved a} quarter turn tothe position shown in dotted lines inFigure 2, rotating the valvestem30.

and moving the valve 27 to the open position shown in Figure 7,. thefnll and dotted line. positions of'the supporting member indicat-.: ingthat the valve is in closed and open positions respectively. hen thevalve 27 is in the position shown in Figure 7, the passage 20communicates with the interior of the container and; water may be,caused to flow. through the spray head when the spray headvalve isopened by pressure'on the thumb member 36. In replacing the spray headin its support, the support is returned toithe position shown in Figures1 and2, moving the'valve 27 into contact with the valve seat 26 andthereby cutting offthe pressure of the source of water supply from thespray head valve. J I

From the foregoing, it will be seen that there is herein provided adevice which embodies the features of this invention and, I

achieves the objects thereof. A spray device has been provided whichisthoroughly efiifrom the discharge end of the spray willbe collectedand quickly evaporated.

As many possible embodiments may be made of the above invention, and asmany changes mightbe made in the embodiment above set forth, it is to beunderstod that all matter herein before set forth or shown in theaccompanying drawings is to be'interpreted as illustrative and not in alimiting sense.

I claim as my invention: 7

1. In a device of the class described, a container having a dripcatching portion, a conduit for connecting said container with a sourceof water supply, a conduit forming an outlet for said container, a valvefor regulating the flow of water through said outlet, a flexible tubeconnected at one end to said outlet conduit, a nozzle connected to theother end of said flexible tube, and a nozzleholder operativelyconnected with said outlet valve, said holder serving to support thenozzle in position to discharge into said drip catching portion.

2. In a closed container, an inlet conduit communicating with the lowerportion of said con.- tainer, an outlet conduit communicating with theupper portion of said container, a flexible tube connected at one-end tosaid outlet conduit, a spray head connected to the other end of saidflexible tube, a valve positioned between said container and thedischarge end of said spray head, means for supporting the discharge endof said spray head above said container in spaced relation thereto, anda ridge formed on the upper surface ofsaid container and providing arecess for the reception of the drip from the discharge end of saidspray head.

3. In a device of the class described, a container having a partprovided with an outlet passage, said part having a drip catchingportion thereon, a valve for opening and closing said passage mounted onsaid part and having an end of its stem projecting from the latter. aflexible tube communicating at one end with said outlet passage, anozzle mounted on the other end of said flexible tube, and a nozzleholder mounted on the projecting end portion of said valve stem, saidholder serving to support the nozzle in position to discharge into saiddrip catching portion.

4. In a device of the class described, a container having a. coverprovided with an outlet passage, a valve for opening and closing saidpassage mounted on said cover and hav-. ing an end of its stemprojecting above said cover, a flexible tube communicating with saidpassage, a spray head mounted on an end of said flexible tube, a valveoperating member mounted on the projecting end portion of said valvestem and having a portion adapted to support the discharge end of saidspray head above said container cover, and an annular ridge formed onsaid container cover to provide a recess for receiving the device of theclassdescribed, a

drip from the discharge end of said spray head.

5. In a dental spray, the combination of a closed reservoir having aninlet for fluid under pressure and an outlet, of a flex ble tubeattached to the outlet, a nozzle attached I to the flexible tube andhaving a self-closing valve, said reservoir having a catch basin on itstop, and a bracket on the reservoir adapted to cooperate with the nozzleto position the nozzle over the basin.

6. In a dental spray, the combination of a closed reservoir having aninlet for fluid under pressure, and an outlet, of a flexible tubeattached to theoutlet, a nozzle attached to the flexible tube and havinga self-closing valve, said reservoir having a catch basin on its top,abracket on the reservoir adapted to cooperate with the nozzle toposition the nozzle over the basin, and a master valve for said nozzleassociated with and operated by said bracket.

7. In a device of the class described, the combination of a liquidholding reservoir gagement with the operating member and beingadapted'during movement in one of said directions to be moved in adifferent direction to effect movement of the operating member andconsequent movement of the valve to either open or closed position.

8. In a device of the class described, the combination of a liquidholding reservoir having, a closure on its upper end provided with anoutlet, a flexible conduit connected with said outlet, a. nozzleattached to the conduit, a valve on the closure for regulating the flowof liquid through the outlet, an operating member for the valve arrangedto swing-between predetermined positions to open and close the valve,said operating member having a portion thereon for releasably supportingthe nozzle, the latter having a handle portion arranged to. be grippedby the operator for moving the nozzle to and from engagement with saidoperating member and also having a portion for moving the operatingmember in opposite directions to open and close the valve subsequent tomovement of the nozzle into engagement with OSCAR H. PIEPER.

